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Finding the Fourth Proportional to 162,000, 223,581.60 and 94,932

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Solution

The fourth proportional to 162,000, 223,581.60 and 94,932 is: 131,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,000 : 223,581.60 = 94,932 : x
  2. Step 2: Convert to fraction form
    162,000/223,581.60 = 94,932/x
  3. Step 3: Cross multiply
    162,000x = 223,581.60 × 94,932
  4. Step 4: Simplify right side
    162,000x = 21,225,048,451.20
  5. Step 5: Solve for x
    x = 21,225,048,451.20/162,000
  6. Step 6: Final answer
    x = 131,018.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.